Andreas Vietor

Stifel, Nicolaus & Co., Inc. (Stifel) is a dual-registered broker-dealer and investment adviser headquartered in St. Louis, Missouri. Founded in 1890, the firm is a subsidiary of Stifel Financial Corp. (NYSE: SF), a financial service holding company. Stifel provides full-service brokerage and investment advisory services to individuals and their families, institutions and businesses, and financial advisors.

Zea2 LLC offers cellulose-based biorefinery platform that is designed to produce advanced fuels and intermediate chemicals. It aims to address the yield and carbon dioxide problems associated with traditional and cellulosic based processes. The company was founded by Timothy J. Eggeman in 2002 and is headquartered in Tempe, AZ.

Evergreen Energy, Inc. operates as a business intelligence and environmental solutions company. It engages to the development of accurate and reliable technologies. Its products are focused on helping customers manage the costs and operational issues. The company was founded in 1984 and is headquartered in Denver, CO.

Benefuel, Inc. provides catalyst biodiesel refining platform, capable of producing biodiesel from almost any type of feedstock. Its ENSEL process transforms the fuel production and fragmented distribution into a model of localized production and consumption from renewable, inedible fats and oils available in the global market. The company was founded in 2006 and is located in Chicago, IL.